La Dombes
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2023
477 km²
Commune · FRA
Crans
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 598
Observations
18 132
Area
13,4km²
Ecological tissue
Sample of 38 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Crans : 33 espèces + 5 bulles famille, 79 interactions GloBI documentées sur 5 types (connectance 11.2%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
38
Interactions affichées
79
Connectance
0.112
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 598 distinct species · 18 132 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,8°C
Annual rain
1 124mm
Warmest m°
25,6°C
Coldest m°
-0,8°C
Elevation: 296 m on average (min 277 m, max 319 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,8°C
Annual rain
1 124mm
Warmest month
25,6°C
Coldest month
-0,8°C
Mean alt.
296m
Min
277m
Max
319m
Std. dev.
11m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,2
Org. C
39,8g/kg
Clay
22,9%
Sand
29,0%
Silt
48,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Ain
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
74,0g/kg
Clay
22,3%
Sand
29,3%
Silt
48,3%
5–15 cm
pH H₂O
6,2
Org. C
24,9g/kg
Clay
20,3%
Sand
27,7%
Silt
52,0%
15–30 cm
pH H₂O
6,2
Org. C
20,4g/kg
Clay
26,2%
Sand
30,0%
Silt
43,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest37.3%
Crops42.1%
Built-up0.3%
Bare soil0.5%
Other (grassland, water…)19.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
3,2km
Lake surface here
0,00km²
Basins crossed
2
Max stream order
1
Max drainage
3 605km²
Discharge in basins
8,0m³/s
Mean precip.
846mm/an
Mean T°
11,2°C
Moisture idx
-0,07
Max snow
6%
Mean runoff
550mm/an
Mean elev. (basins)
240m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
29,4%
Pesticides
44,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 3
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.